Bottle cap retainer



FIG. 1 is a front elevational view of a bottle cap retainer in a locked position of use;

FIG. 2 is a front elevational view showing the invention at an unlocked position;

FIG. 3 is a front elevational view showing the invention separated from the beverage bottle;

FIG. 4 is a top plan view of FIG. 1;

FIG. 5 is a top plan view of FIG. 2;

FIG. 6 is a rear elevational view of FIG. 1; and,

FIG. 7 is a rear elevational view of FIG. 2.

The broken lines in the drawings showing a bottle depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a bottle cap retainer, as shown and described. 